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Fix Can’t adjust screen brightness in Windows 10
Fix Can’t adjust screen brightness in Windows 10: If you have recently upgraded to Windows 10 then you may be facing this annoying issue where you can’t adjust the screen brightness, in short, screen brightness settings stopped working. If you try to adjust the brightness using Windows Settings apps, you won’t be able to change anything, as dragging the brightness level up or down will do nothing. Now if you try to adjust brightness using the brightness keys on the keyword then it would display the brightness level going up and down, but nothing would actually happen.
Why I am unable to adjust screen brightness on Windows 10?
If you have enabled automatic battery management then if the battery starts to become low the brightness will be automatically changed to dim settings. And you won’t be able to adjust the brightness again until you will change the battery management settings or charge your laptop. But the issue can be a number of different things for example corrupted drivers, incorrect battery configuration, ATI bug, Etc
This is quite a common issue which a lot of Windows 10 users are facing right now. This issue can also be caused because of the corrupt or incompatible display driver and thankfully this issue can be easily resolved. So without wasting any more time let’s see how to actually fix can’t adjust screen brightness in Windows 10 with the help of below-listed steps.
Fix Can’t Adjust Screen Brightness in Windows 10
Asegúrate de crear un punto de restauración por se algo falla.
Método 1: actualizar os controladores do adaptador de pantalla
1. Prema a tecla Windows + R e despois escriba devmgmt.msc e prema Intro para abrir Xestor de dispositivo.
2. Expandir Adaptadores de pantalla and then right-click on the integrated graphics card and select Actualizar o controlador.
Nota: The integrated graphics card would be something like Intel HD Graphics 4000.
3. A continuación, prema Busque automaticamente o software de controlador actualizado and let it install the driver automatically.
Nota: Make sure you have a good internet connection in order for Windows to automatically download the latest drivers.
4. Reboot your PC and see if the issue is resolved or not.
5. If not then again select Actualizar o controlador and this time click on Navegue polo meu ordenador para o software do controlador
6. A continuación, fai clic en Permíteme escoller dunha lista de controladores dispoñibles no meu ordenador opción na parte inferior.
7. Agora marca de verificación "Mostrar hardware compatible” then from the list select Adaptador de pantalla básico de Microsoft e prema Avanzar.
8. Let it install the basic Microsoft display driver and reboot your PC to save changes.
Method 2: Adjust the brightness from Graphics Settings
1. Right-click in an empty area on the desktop then select Configuración de gráficos de Intel.
2. Agora faga clic en Ver from the Intel HD Graphics Control Panel.
3. No menú da esquerda, seleccione Color Settings.
4. Adjust the Brightness slider according to your liking and once done, click Aplicar.
Método 3: Adjust screen brightness using Power Options
1. Fai clic co botón dereito no botón Icona de enerxía na barra de tarefas e seleccione Opcións de enerxía.
2. Agora fai clic Cambia a configuración do plan next to currently active power plan.
3. Fai clic Cambia a configuración avanzada de enerxía na parte inferior.
4. From the Advanced settings window, find and expand Mostrar.
5. Now locate and click each of the following to expand their respective settings:
Brillo da pantalla
Dimmed display brightness
Activar brillo adaptativo
5. Change each of these to the settings you wish, but make sure “Activar brillo adaptativo" é apagado.
6. Once done, click Apply followed by OK.
7. Reinicie o PC para gardar os cambios.
Método 4: habilitar o monitor PnP xenérico
1. Prema a tecla Windows + R e despois escriba devmgmt.msc e prema Intro para abrir o Xestor de dispositivos.
2. Expandir Monitores e prema co botón dereito do rato Monitor xenérico de PnP e seleccione Activar.
3. Reinicia o teu PC para gardar os cambios e ver se podes facelo fix can’t adjust screen brightness in Windows 10 issue.
Método 5: actualice o controlador de monitor PnP xenérico
1. Prema a tecla Windows + R e despois escriba devmgmt.msc e presione Enter.
2. Expandir Monitores e prema co botón dereito do rato Monitor xenérico de PnP e seleccione Actualizar o controlador.
3. Seleccionar Navegue polo meu ordenador para o software do controlador
4. A continuación, fai clic en Permíteme escoller dunha lista de controladores dispoñibles no meu ordenador opción na parte inferior.
5. Agora selecciona Monitor xenérico de PnP e faga clic en Seguinte.
6. Reinicia o teu PC para gardar os cambios e ver se podes facelo fix unable to adjust screen brightness on Windows 10 issue.
Método 6: actualizar o controlador da tarxeta gráfica
If the Nvidia Graphics drivers are corrupted, outdated or incompatible then you won’t be able to adjust screen brightness in Windows 10. When you update Windows or install a third-party app then it can corrupt the video drivers of your system. In order to resolve this issue, you need to update your graphics card drivers in order to fix the underlying cause. If you face any such issues then you can easily update graphics card drivers with the help of this guide.
1. Prema a tecla Windows + R e despois escriba devmgmt.msc e presione Enter.
2. Now from Device Manager menu click Ver> Mostrar dispositivos ocultos.
3. Right-click on each of the hidden devices listed under Monitores e seleccione Uninstall Dispositivo
4. Reinicia o teu PC para gardar os cambios e ver se podes facelo adjust screen brightness in Windows 10.
Método 8: corrección do rexistro
Nota: This method is only for users who have ATI graphics card and have Catalyst installed.
1. Prema a tecla Windows + R e despois escriba regedit e prema Intro para abrir o Editor do Rexistro.
2. Desprácese ata a seguinte clave de Rexistro:
HKEY_LOCAL_MACHINE SYSTEM ControlSet001 ControlClass {4d36e968-e325-11ce-bfc1-08002be10318} 0000
3. Now double-click on the following Registry keys and set their value to 0 then click OK:
MD_EnableBrightnesslf2
KMD_EnableBrightnessInterface2
4. Next, navigate to the following key:
HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Control Class {4d36e968-e325-11ce-bfc1-08002be10318} 0001
5. Again double-click on MD_EnableBrightnesslf2 and KMD_EnableBrightnessInterface2 then set their value’s to 0.
6. Close everything and restart your PC to save changes.
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Espero que os pasos anteriores fosen útiles e que puideses facelo fix Can’t Adjust Screen Brightness in Windows 10 but if you still have any questions regarding this post feel free to ask them in the comment section.
